In the early stages of breast cancer, it may not spread at all. It is difficult to know how fast invasive breast cancer can spread in 1 year, as it depends on the cancer’s stage, grade, and other factors. In this article, we discuss the growth and progression of breast cancer.
Metastatic, or stage 4, breast cancer in the lungs is when breast cancer cells are growing in the lungs. In this article, we look at what happens when breast cancer metastasizes in the lungs, including the symptoms, causes, treatments, and prognosis.